Extreme Heat in the Southwest; Severe Weather in the Northern Plains; Heavy Rain in the East

Extreme heat continues across the Southwest as temperatures may top 120 degrees. The heat may expand across the West and south-central U.S. into the middle of the month. Severe thunderstorms capable of severe wind gusts and large hail will be the primary hazards today across the northern Plains into the upper Midwest. Rainfall could be locally heavy across the Eastern U.S. today. Read More >

Hazardous Weather Conditions

Current conditions at

Merced / Castle Air Force Base (KMER)

Lat: 37.36667°NLon: 120.56667°WElev: 187.0ft.

Clear

N/A

Humidity NA
Wind Speed NW 6 MPH
Barometer NA
Dewpoint N/A
Visibility 10.00 mi
Last update NA
Extended Forecast for

5 Miles SE Denair CA

Heat Advisory August 4, 01:02am until August 5, 08:00pm
Click here for hazard details and duration
Heat Advisory
  •  
    Heat Advisory August 4, 01:02am until August 5, 08:00pm

    NOW until 8:00pm Wed

    Heat Advisory

  • Overnight

    Low: 66 °F

    Clear

  • Tuesday

    Tuesday: Sunny and hot, with a high near 102. Northwest wind around 5 mph.

    High: 102 °F

    Hot

  • Tuesday Night

    Tuesday Night: Clear, with a low around 65. Northwest wind 5 to 10 mph.

    Low: 65 °F

    Clear

  • Wednesday

    Wednesday: Sunny and hot, with a high near 100. Northwest wind around 5 mph.

    High: 100 °F

    Hot

  • Wednesday Night

    Wednesday Night: Clear, with a low around 65. North northwest wind around 10 mph, with gusts as high as 15 mph.

    Low: 65 °F

    Clear

  • Thursday

    Thursday: Sunny and hot, with a high near 100. Northwest wind around 10 mph.

    High: 100 °F

    Hot

  • Thursday Night

    Thursday Night: Clear, with a low around 66. Northwest wind around 10 mph, with gusts as high as 20 mph.

    Low: 66 °F

    Clear

  • Friday

    Friday: Sunny and hot, with a high near 100. Northwest wind around 10 mph, with gusts as high as 20 mph.

    High: 100 °F

    Hot

Detailed Forecast

Overnight
Clear, with a low around 66. Northwest wind around 5 mph.
Tuesday
Sunny and hot, with a high near 102. Northwest wind around 5 mph.
Tuesday Night
Clear, with a low around 65. Northwest wind 5 to 10 mph.
Wednesday
Sunny and hot, with a high near 100. Northwest wind around 5 mph.
Wednesday Night
Clear, with a low around 65. North northwest wind around 10 mph, with gusts as high as 15 mph.
Thursday
Sunny and hot, with a high near 100. Northwest wind around 10 mph.
Thursday Night
Clear, with a low around 66. Northwest wind around 10 mph, with gusts as high as 20 mph.
Friday
Sunny and hot, with a high near 100. Northwest wind around 10 mph, with gusts as high as 20 mph.
Friday Night
Clear, with a low around 67. Northwest wind 5 to 10 mph, with gusts as high as 20 mph.
Saturday
Sunny and hot, with a high near 101. Northwest wind 5 to 10 mph, with gusts as high as 15 mph.
Saturday Night
Mostly clear, with a low around 67. North northwest wind 5 to 10 mph, with gusts as high as 15 mph.
Sunday
Sunny and hot, with a high near 100. Northwest wind around 5 mph.
Sunday Night
Mostly clear, with a low around 64. Northwest wind 5 to 10 mph, with gusts as high as 15 mph.
Monday
Sunny, with a high near 97. Northwest wind around 5 mph.
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ABOUT THIS FORECAST

 
Point Forecast:
5 Miles SE Denair CA
 37.47°N 120.73°W (Elev. 157 ft)
12:57 am PDT Aug 4, 2026
1am PDT Aug 4, 2026-6pm PDT Aug 10, 2026
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database